f41f3f373d
This ports the b43/legacy rfkill code to the new API offered by cfg80211 and thus removes a lot of useless stuff. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/*
|
|
|
|
Broadcom B43 wireless driver
|
|
RFKILL support
|
|
|
|
Copyright (c) 2007 Michael Buesch <mb@bu3sch.de>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
|
|
#include "b43.h"
|
|
|
|
|
|
/* Returns TRUE, if the radio is enabled in hardware. */
|
|
bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
|
|
{
|
|
if (dev->phy.rev >= 3) {
|
|
if (!(b43_read32(dev, B43_MMIO_RADIO_HWENABLED_HI)
|
|
& B43_MMIO_RADIO_HWENABLED_HI_MASK))
|
|
return 1;
|
|
} else {
|
|
if (b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
|
|
& B43_MMIO_RADIO_HWENABLED_LO_MASK)
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* The poll callback for the hardware button. */
|
|
void b43_rfkill_poll(struct ieee80211_hw *hw)
|
|
{
|
|
struct b43_wl *wl = hw_to_b43_wl(hw);
|
|
struct b43_wldev *dev = wl->current_dev;
|
|
struct ssb_bus *bus = dev->dev->bus;
|
|
bool enabled;
|
|
bool brought_up = false;
|
|
|
|
mutex_lock(&wl->mutex);
|
|
if (unlikely(b43_status(dev) < B43_STAT_INITIALIZED)) {
|
|
if (ssb_bus_powerup(bus, 0)) {
|
|
mutex_unlock(&wl->mutex);
|
|
return;
|
|
}
|
|
ssb_device_enable(dev->dev, 0);
|
|
brought_up = true;
|
|
}
|
|
|
|
enabled = b43_is_hw_radio_enabled(dev);
|
|
|
|
if (unlikely(enabled != dev->radio_hw_enable)) {
|
|
dev->radio_hw_enable = enabled;
|
|
b43info(wl, "Radio hardware status changed to %s\n",
|
|
enabled ? "ENABLED" : "DISABLED");
|
|
wiphy_rfkill_set_hw_state(hw->wiphy, !enabled);
|
|
if (enabled != dev->phy.radio_on)
|
|
b43_software_rfkill(dev, !enabled);
|
|
}
|
|
|
|
if (brought_up) {
|
|
ssb_device_disable(dev->dev, 0);
|
|
ssb_bus_may_powerdown(bus);
|
|
}
|
|
|
|
mutex_unlock(&wl->mutex);
|
|
}
|